module YARD::Templates::Helpers::HtmlSyntaxHighlightHelper

def html_syntax_highlight_ruby_ripper(source)
  resolver = Parser::Ruby::TokenResolver.new(source, object)
  output = String.new("")
  resolver.each do |s, token_obj|
    token_obj = clean_token_object(token_obj)
    output << "<span class='tstring'>" if [:tstring_beg, :regexp_beg].include?(s[0])
    case s.first
    when :nl, :ignored_nl, :sp
      output << h(s[1])
    when :ident, :const
      klass = s.first == :ident ? "id identifier rubyid_#{h(s[1])}" : s.first
      val = token_obj ? link_object(token_obj, s[1]) : h(s[1])
      output << "<span class='#{klass}'>#{val}</span>"
    else
      output << "<span class='#{s.first}'>#{h(s[1])}</span>"
    end
    output << "</span>" if [:tstring_end, :regexp_end].include?(s[0])
  end
  output
rescue Parser::ParserSyntaxError
  source =~ /^<span\s+class=/ ? source : h(source)
end